CN109926977A - Inner hole abnormity assembling device for snap spring - Google Patents
Inner hole abnormity assembling device for snap spring Download PDFInfo
- Publication number
- CN109926977A CN109926977A CN201910355403.0A CN201910355403A CN109926977A CN 109926977 A CN109926977 A CN 109926977A CN 201910355403 A CN201910355403 A CN 201910355403A CN 109926977 A CN109926977 A CN 109926977A
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- China
- Prior art keywords
- circlip
- expansion set
- mounting groove
- section
- belt wheel
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- Pulleys (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention discloses inner hole abnormity assembling device for snap spring, which includes expansion set and guide sleeve；Expansion set exterior bottom is equipped with mounting groove, mounting groove is divided into left section of mounting groove and right section of mounting groove, left section of circlip is just embedded in left section of mounting groove, the top of right section of mounting groove is higher than left section of mounting groove top, and the bottom of right section of mounting groove penetrates through downwards entire expansion set, and right section of circlip is sleeved on right section of mounting groove, expansion set lower section is also provided with vertical slot, after circlip and expansion set install, in the vertical slot of the special-shaped section insertion expansion set of circlip, to prevent circlip from rotating relative to expansion set；Guide sleeve bottom is removably mounted on belt wheel, and guide sleeve center is equipped with the press mounting hole of back taper, and the expansion set of circlip is installed by pushing, so that circlip press-loading be entered in the centre bore of belt wheel and be embedded in jump-ring slot, realizes the automatic assembling of circlip and belt wheel.Advantages of the present invention: it realizes and is fast and accurately fitted into circlip in belt wheel.
Description
Technical field
The present invention relates to a kind of mechanical device more particularly to a kind of inner hole abnormity assembling device for snap spring.
Background technique
Belt wheel circlip is the important composition component of CVT gearbox, so it is that CVT becomes that circlip, which is assembled in belt wheel centre bore,
One of vital process in fast case assembly technology, the quality of assembling quality directly affects the globality of CVT gearbox
Energy.It Chong Die could be fitted into the centre bore of belt wheel since the installation of circlip and belt wheel needs for be staggered up and down at circlip opening both ends
In jump-ring slot, and circlip is not able to rotate in installation process, time-consuming and laborious, can not mistake proofing.Since belt wheel inner diameter is smaller and blocks
Spring slot is deeper, and the bad phenomenons such as the center bore inner wall for scratching belt wheel, circlip rotation are easy to appear during installing circlip, these
It is unqualified that bad phenomenon all will lead to circlip installation.Therefore a kind of installing mechanism of science is the important of belt wheel circlip assembling quality
Guarantee.
For inner hole abnormity circlip workpiece, currently used mounting means is to be oriented to using tapered sleeve, then rodlike tooling will block
Spring indentation.Such mode pressure assembling force during press fitting is not easy to control, and circlip easily tilts, and the both ends of the surface of circlip opening had been pressed
It is easy mutually to push against in journey, so that circlip outer diameter during press fitting is greater than the aperture of belt wheel centre bore, so as to cause circlip
In the centre bore that can not be successfully indentation belt wheel, and the aperture position of circlip not can guarantee, and seriously affect assembling quality.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of inner hole abnormity assembling device for snap spring, with
Circlip is fast and accurately fitted into belt wheel by realization.
The present invention is achieved by the following technical solutions:
Inner hole abnormity assembling device for snap spring, described device are used for the installation of circlip and belt wheel, and the belt wheel center is provided with perpendicular
To centre bore, the inner sidewall of the centre bore is equipped with the jump-ring slot for installing the circle level of circlip, the circlip
Middle section is equipped with one section of special-shaped section, and the special-shaped section of the circlip is protruded along the direction parallel with the axis of circlip, correspondingly, institute
It states and is also provided with a vertical groove on the centre bore inner sidewall of belt wheel, the groove is corresponding with the special-shaped section of circlip, described
Device includes expansion set and guide sleeve；
The expansion set exterior bottom is equipped with the circle mounting groove for installing circlip, and the mounting groove is divided into left section of mounting groove
With right section of mounting groove, left section of the circlip is just embedded in left section of mounting groove, and the top of the right section of mounting groove is higher than left Duan An
Tankage top, the bottom of the right section of mounting groove penetrate through downwards entire expansion set, and right section of the circlip is sleeved on right section of mounting groove,
The expansion set lower section is also provided with vertical slot, and after circlip and expansion set install, the special-shaped section of the circlip is embedded in the vertical of expansion set
In slot, to prevent circlip from rotating relative to expansion set, the opening both ends of the circlip are placed exactly in left section of mounting groove and the right side of expansion set
The junction of section mounting groove；
The guide sleeve bottom is removably mounted on belt wheel, and the guide sleeve center is equipped with the press mounting hole of back taper, institute
The centre bore for stating press mounting hole bottom and belt wheel is connected to each other and is located on jump-ring slot, and the expansion set of circlip is installed by pushing, from
And circlip press-loading is entered in the centre bore of belt wheel and is embedded in jump-ring slot, realize the automatic assembling of circlip and belt wheel.
Further, the expansion set side is equipped at least one vertical gib block, and the guide sleeve side is provided at least
One vertical guide groove, the gib block are matched with guide groove, realize the guiding of expansion set and guide sleeve on press fitting direction.
Further, expansion set lower part interval is provided with multiple vertical slots, and expansion set lower part is divided by multiple vertical slots
Multiple arcs item, the special-shaped section of the circlip are embedded in a vertical slot.
Further, the expansion set bottom is introduction part in the part being located under left section of mounting groove, the introduction part
Tip radius is less than the radius of expansion set upper section, and the bottom end radius of the introduction part is less than the tip radius of introduction part.
Further, the guide sleeve bottom is equipped with a positioning ring extended downwardly, and the outer diameter of the positioning ring is less than
Guide sleeve outer diameter forms limiting stand terrace, is additionally provided with a positioning on the outside of the positioning ring between the positioning ring and guide sleeve
Protrusion is inserted into the centre bore of belt wheel by positioning ring, and is limited by limited step in face of insertion depth, realizes guiding
The vertical positioning of set, and matched by positioning protrusion with the groove of the centre bore inner sidewall of belt wheel, to prevent guide sleeve opposite
It is rotated in belt wheel.
The present invention has the advantage that compared with prior art
1, a kind of inner hole abnormity assembling device for snap spring provided by the invention can be prevented by the way that vertical slot is arranged on expansion set
Only circlip rotates；The mounting groove of its expansion set, which passes through, simultaneously is set as height different left section of mounting groove and right section of mounting groove, is convenient for
During being pressed circlip, the opening both ends of circlip are staggered up and down, realize the circlip that circlip is fast and accurately packed into belt wheel
It is time saving and energy saving in slot, and ensure that assembling quality, to ensure that the overall performance of CVT gearbox.And present apparatus collection circlip fills
In one, integrated level is high for folder, circlip press-loading, and structure is simple, compact layout, simple and convenient for operation.
2, a kind of inner hole abnormity assembling device for snap spring provided by the invention, by the gib block and guide sleeve on expansion set
Guide groove match, the guiding of expansion set and guide sleeve on press fitting direction is realized, to ensure that the precision of assembly.
3, a kind of inner hole abnormity assembling device for snap spring provided by the invention is equipped with introduction part in expansion set bottom, convenient for card
Spring is smoothly sleeved in the mounting groove of expansion set.
4, a kind of inner hole abnormity assembling device for snap spring provided by the invention, positioning ring and positioning of the guide sleeve by setting
Protrusion realizes the vertical and located lateral of guide sleeve and belt wheel, to ensure that assembly precision.
Detailed description of the invention
Fig. 1 is the perspective view of circlip of the invention.
Fig. 2 is the perspective view for the belt wheel that the present invention does not install circlip.
Fig. 3 is the perspective view that the present invention installs the belt wheel after circlip.
Fig. 4 is the device of the invention overall perspective view.
Fig. 5 is the partial elevational figure of expansion set of the invention.
Fig. 6 is the partial elevational figure after expansion set fit on circlip of the invention.
Fig. 7 is the partial rear figure after expansion set fit on circlip of the invention.
Fig. 8 is the state diagram that expansion set of the invention is staggered above and below circlip opening both ends during press fitting.
Fig. 9 is guide sleeve perspective view of the invention.
Figure 10 is guide sleeve partial sectional view of the invention.
Figure 11 is the perspective view that the device of the invention is press-fit into place.
Figure 12 is the sectional view that the device of the invention is press-fit into place.
Figure label: 1 circlip, 2 belt wheels, 3 centre bores, 4 jump-ring slots, 5 special-shaped sections, 6 grooves, 7 expansion sets, 8 guide sleeves, 9 is left
Section mounting groove, 10 right sections of mounting grooves, 11 vertical slots, 12 arc strips, 13 introduction parts, 14 positioning rings, 15 limiting stand terraces, 16 positioning
Protrusion, 17 press mounting holes, 18 gib blocks, 19 guide grooves.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
Referring to Fig. 1 to Figure 12, present embodiment discloses a kind of inner hole abnormity assembling device for snap spring, which is used for circlip 1
With the installation of belt wheel 2,2 center of belt wheel is provided with vertical centre bore 3, and the inner sidewall of centre bore 3 is equipped with for installing circlip 1
The horizontal jump-ring slot 4 of one circle, the middle section of circlip 1 are equipped with one section of special-shaped section 5, and the special-shaped section 5 of circlip 1 is along the axis with circlip 1
Parallel direction protrusion, correspondingly, a vertical groove 6 is also provided on 3 inner sidewall of centre bore of belt wheel 2, groove 6 and card
The special-shaped section 5 of spring 1 is corresponding.
The device includes expansion set 7 and guide sleeve 8.7 exterior bottom of expansion set is equipped with the circle mounting groove for installing circlip 1,
Mounting groove is divided into left section of mounting groove 9 and right section of mounting groove 10, and 1 left section of circlip is just embedded in left section of mounting groove 9, right section of mounting groove
10 top is higher than left section of 9 top of mounting groove, and the bottom of right section of mounting groove 10 penetrates through downwards entire expansion set 7,1 right section of circlip suit
On right section of mounting groove 10,7 lower part interval of expansion set is provided with multiple vertical slots 11, and multiple vertical slots 11 separate 7 lower part of expansion set
For multiple arcs item 12, after circlip 1 is installed with expansion set 7, the special-shaped section 5 of circlip 1 is embedded in a vertical slot 11, with
Prevent circlip 1 from rotating relative to expansion set 7, the opening both ends of circlip 1 are placed exactly in left section of mounting groove 9 of expansion set 7 and right section is installed
The junction of slot 10.7 bottom of expansion set is introduction part 13, the top half of introduction part 13 in the part being located under left section of mounting groove 9
Diameter is less than the radius of 7 upper section of expansion set, and the bottom end radius of introduction part 13 is less than the tip radius of introduction part 13.The introduction part is set
13, very easily circlip 1 can be nested into the mounting groove of expansion set 7 from the bottom up from the introduction part 13.
8 bottom of guide sleeve is removably mounted on belt wheel 2, and 8 bottom of guide sleeve is equipped with a positioning ring 14 extended downwardly,
The outer diameter of positioning ring 14 is less than 8 outer diameter of guide sleeve, and limiting stand terrace 15, positioning ring 14 are formed between positioning ring 14 and guide sleeve 8
Outside is additionally provided with a positioning protrusion 16, is inserted into the centre bore 3 of belt wheel 2 by positioning ring 14, and passes through limiting stand terrace 15
Insertion depth is limited, realizes the vertical positioning of guide sleeve 8, and pass through 3 inside of centre bore of positioning protrusion 16 and belt wheel 2
The groove 6 of wall matches, to prevent guide sleeve 8 from rotating relative to belt wheel 2.8 center of guide sleeve is equipped with the press mounting hole 17 of back taper,
The centre bore 3 of 17 bottom of press mounting hole and belt wheel 2 is connected to each other and is located on jump-ring slot 4, and the expansion set of circlip 1 is installed by pushing
7, so that the press fitting of circlip 1 be entered in the centre bore 3 of belt wheel 2 and be embedded in jump-ring slot 4, realize the automatic dress of circlip 1 and belt wheel 2
Match.
Wherein, 7 side of expansion set is equipped at least one vertical gib block 18, and gib block 18 is fixed by screws in expansion set 7
On.8 side of guide sleeve is provided at least one vertical guide groove 19, and gib block 18 is matched with guide groove 19, realize expansion set 7 with
Guiding of the guide sleeve 8 on press fitting direction.
When work, circlip 1 is nested into the mounting groove of expansion set 7 from the bottom up from the introduction part 13 of expansion set 7 manually first,
So that the opening both ends of circlip 1 are placed exactly in the junction of left section of mounting groove 9 and right section of mounting groove 10 of expansion set 7, pass through left section
Mounting groove 9 fixes circlip 1, while the special-shaped section 5 of circlip 1 is embedded in vertical slot 11, to prevent circlip 1 from revolving relative to expansion set 7
Turn.
Then the positioning ring 14 of guide sleeve 8 is inserted into the centre bore 3 of belt wheel 2, it is deep by the 15 pairs of insertions of limiting stand terrace
Degree is limited, and realizes the vertical positioning of guide sleeve 8, while passing through the recessed of positioning protrusion 16 and 3 inner sidewall of centre bore of belt wheel 2
Slot 6 matches, and to prevent guide sleeve 8 from rotating relative to belt wheel 2, realizes the location and installation of guide sleeve 8.
Then, by the guide groove 19 of 18 alignment guide of the gib block set 8 of expansion set 7, and expansion set 7 is pushed, so that expansion set 7 and card
Spring 1 is entered together in the press mounting hole 17 of 8 taper of guide sleeve, and in process of press in, the press mounting hole 17 of taper makes expansion set 7 and circlip
1 shrinks together and provides upward frictional force, and circlip 1 is made to have upward movement tendency, so that being located at the circlip 1 in right section of mounting groove 10
Open end move up, and with another open end of circlip 1 formed up and down Chong Die staggered form, card can be made automatically
The opening both ends of spring 1 are staggered up and down.
After circlip 1 is press-fit into place, due to losing the constraint of guide sleeve 8, compressed circlip 1 is expanded outwardly, is sprung into automatically
In jump-ring slot 4, circlip 1 can be realized and be fast and accurately packed into the jump-ring slot 4 of belt wheel 2, it is time saving and energy saving to install, and ensure that
Assembling quality, to ensure that the overall performance of CVT gearbox.
There are two jump-ring slots 4 on each belt wheel 2, need to install two circlips 1, install again separately after installing what a circlip 1
When one circlip 1, only need to change a guide sleeve 8, the guide sleeve 8 of replacement be only the axial dimension of positioning ring 14 not
Together, rest part is all identical as the size of that guide sleeve 8 before.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (5)
1. inner hole abnormity assembling device for snap spring, described device is used for the installation of circlip and belt wheel, and the belt wheel center is provided with vertically
Centre bore, the inner sidewall of the centre bore is equipped with the jump-ring slot for installing the circle level of circlip, in the circlip
Section is equipped with one section of special-shaped section, and the special-shaped section of the circlip is protruded along the direction parallel with the axis of circlip, correspondingly, described
A vertical groove is also provided on the centre bore inner sidewall of belt wheel, the groove is corresponding with the special-shaped section of circlip, feature
Be: described device includes expansion set and guide sleeve；
The expansion set exterior bottom is equipped with the circle mounting groove for installing circlip, and the mounting groove is divided into left section of mounting groove and the right side
Section mounting groove, left section of the circlip are just embedded in left section of mounting groove, and the top of the right section of mounting groove is higher than left section of mounting groove
Top, the bottom of the right section of mounting groove penetrate through downwards entire expansion set, and right section of the circlip is sleeved on right section of mounting groove, described
Expansion set lower section is also provided with vertical slot, after circlip and expansion set install, in the vertical slot of the special-shaped section insertion expansion set of the circlip,
To prevent circlip from rotating relative to expansion set, the opening both ends of the circlip are placed exactly in left section of mounting groove of expansion set and right section is installed
The junction of slot；
The guide sleeve bottom is removably mounted on belt wheel, and the guide sleeve center is equipped with the press mounting hole of back taper, the pressure
The centre bore of dress hole bottom and belt wheel is connected to each other and is located on jump-ring slot, and the expansion set of circlip is installed by pushing, thus will
Circlip press-loading enters in the centre bore of belt wheel and is embedded in jump-ring slot, realizes the automatic assembling of circlip and belt wheel.
2. inner hole abnormity assembling device for snap spring as described in claim 1, it is characterised in that: the expansion set side is equipped at least one
A vertical gib block, the guide sleeve side are provided at least one vertical guide groove, and the gib block and guide groove match
It closes, realizes the guiding of expansion set and guide sleeve on press fitting direction.
3. inner hole abnormity assembling device for snap spring as described in claim 1, it is characterised in that: expansion set lower part interval is provided with
Expansion set lower part is divided into multiple arcs item by multiple vertical slots, multiple vertical slots, and the special-shaped section of the circlip is embedded one
In vertical slot.
4. inner hole abnormity assembling device for snap spring as described in claim 1, it is characterised in that: the expansion set bottom is being located at left section
Part under mounting groove is introduction part, and the tip radius of the introduction part is less than the radius of expansion set upper section, the introduction part
Bottom end radius is less than the tip radius of introduction part.
5. inner hole abnormity assembling device for snap spring as described in claim 1, it is characterised in that: the guide sleeve bottom is equipped with one
The outer diameter of the positioning ring extended downwardly, the positioning ring is less than guide sleeve outer diameter, and limit is formed between the positioning ring and guide sleeve
Position step surface, the positioning ring outside are additionally provided with a positioning protrusion, are inserted into the centre bore of belt wheel by positioning ring, and pass through
Limited step is limited in face of insertion depth, realizes the vertical positioning of guide sleeve, and pass through the center of positioning protrusion and belt wheel
The groove of hole inner sidewall matches, to prevent guide sleeve from rotating relative to belt wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910355403.0A CN109926977B (en) | 2019-04-29 | 2019-04-29 | Hole dysmorphism jump ring assembly quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910355403.0A CN109926977B (en) | 2019-04-29 | 2019-04-29 | Hole dysmorphism jump ring assembly quality |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109926977A true CN109926977A (en) | 2019-06-25 |
| CN109926977B CN109926977B (en) | 2020-10-13 |
Family
ID=66991191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910355403.0A Active CN109926977B (en) | 2019-04-29 | 2019-04-29 | Hole dysmorphism jump ring assembly quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109926977B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546280A (en) * | 2020-04-23 | 2020-08-18 | 广州飞机维修工程有限公司 | An aircraft starting device sealing component assembly tool |
| CN112123281A (en) * | 2020-07-30 | 2020-12-25 | 南京泰普森自动化设备有限公司 | Snap spring mounting method and shrinking device and releasing device thereof |
| CN116276797A (en) * | 2023-03-28 | 2023-06-23 | 浙江五洲新春集团股份有限公司 | Pressing device for special-shaped combined ferrule |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228684A2 (en) * | 1986-01-06 | 1987-07-15 | Combustion Engineering, Inc. | Collet type gripper |
| CN101386166A (en) * | 2008-06-10 | 2009-03-18 | 许晓华 | Internal circlip press-loading device |
| CN104209920A (en) * | 2014-08-20 | 2014-12-17 | 安徽江淮汽车股份有限公司 | Piston pin clamp spring press-fitting device |
| CN104400735A (en) * | 2014-10-27 | 2015-03-11 | 西安航空动力股份有限公司 | Irregularly-shaped thin-walled bushing dismounting tool |
| US9579779B1 (en) * | 2013-05-02 | 2017-02-28 | Jacob Hunter | Valve seat puller |
-
2019
- 2019-04-29 CN CN201910355403.0A patent/CN109926977B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228684A2 (en) * | 1986-01-06 | 1987-07-15 | Combustion Engineering, Inc. | Collet type gripper |
| CN101386166A (en) * | 2008-06-10 | 2009-03-18 | 许晓华 | Internal circlip press-loading device |
| US9579779B1 (en) * | 2013-05-02 | 2017-02-28 | Jacob Hunter | Valve seat puller |
| CN104209920A (en) * | 2014-08-20 | 2014-12-17 | 安徽江淮汽车股份有限公司 | Piston pin clamp spring press-fitting device |
| CN104400735A (en) * | 2014-10-27 | 2015-03-11 | 西安航空动力股份有限公司 | Irregularly-shaped thin-walled bushing dismounting tool |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546280A (en) * | 2020-04-23 | 2020-08-18 | 广州飞机维修工程有限公司 | An aircraft starting device sealing component assembly tool |
| CN112123281A (en) * | 2020-07-30 | 2020-12-25 | 南京泰普森自动化设备有限公司 | Snap spring mounting method and shrinking device and releasing device thereof |
| CN112123281B (en) * | 2020-07-30 | 2022-05-06 | 南京泰普森自动化设备有限公司 | Snap spring mounting method and shrinking device and releasing device thereof |
| CN116276797A (en) * | 2023-03-28 | 2023-06-23 | 浙江五洲新春集团股份有限公司 | Pressing device for special-shaped combined ferrule |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109926977B (en) | 2020-10-13 |
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Address after: No.5821, Fanfu Avenue, Baohe District, Hefei City, Anhui Province Applicant after: Anhui Juyi Technology Co., Ltd Address before: Shanghai road in Baohe District of Hefei city of Anhui Province, No. 8 230051 Applicant before: ANHUI JEE AUTOMATION EQUIPMENT Co.,Ltd. |
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